# Reminder Focus Timer vs Koku

The clearest difference is update cadence: Reminder Focus Timer at daily against Koku's every 3 days. Reminder Focus Timer also leads on iOS requirement (17.4 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Reminder Focus Timer ships an update daily, Koku every 3 days. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Reminder Focus Timer | Koku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/koku-focus-timer/id6767715863/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free |
| Size | 1 MB | 10 MB |
| Requires iOS | **17.4** | 26.4 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Travis Chapman](https://appshunter.io/developer/1447978564) | [Rodolfo Alberto Lopez Terriquez](https://appshunter.io/developer/1896502707) |

## What reviewers say

### Reminder Focus Timer

[App page](https://appshunter.io/ios/app/reminder-focus-timer/id6497405570)

**In-app purchases:** none


### Koku

[App page](https://appshunter.io/ios/app/koku-focus-timer/id6767715863)

This app helps you focus on tasks with customizable work and rest intervals. It offers a simple, distraction-free interface and integrates with your home screen and Apple Watch for easy access and control. Enjoy deep work without accounts, streaks, or subscriptions.

**Highlights:** Customizable focus and rest sessions, Classic Pomodoro rhythm option, Home Screen widget for quick access, Live Activities on lock screen, Apple Watch companion app, Minimalist, distraction-free design

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reminder Focus Timer free?

Reminder Focus Timer is free to download, with no in-app purchases.

### Is Koku free?

Koku is free to download, with no in-app purchases.

### Do Reminder Focus Timer or Koku have ads?

Neither Reminder Focus Timer nor Koku shows ads.

### Which is updated more often, Reminder Focus Timer or Koku?

Reminder Focus Timer ships an update daily, and Koku every 3 days. Most recently, Reminder Focus Timer was updated on October 9, 2026 and Koku on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*